Question

what is the IUPAC name of Cr(PPh3)(CO)5] ?

Answer 1

Answer:

Explanation:

The IUPAC name of the above compound is Pentacarbonyltriphenylphosphinechronium

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Answer 2

The IUPAC name of $[Cr(PPh_3)(CO)_5$ is pentacabonyltriphenylphosphine chromium(0).

Explanation :

Rules for naming of the coordination compounds :

The ligand is named first.

The charge of metal indicated with the Roman numerals and enclosed in the parenthesis after metal name.

The ligands are named in alphabetical order before the metal ion.

Ligands that include a numerical prefix in the name use the prefixes bis for 2, tris for 3, or tetrakis for 4 to indicate their number.

In the given coordination compound, Cr is the chromium metal, CO and $PPh_3$ are the ligands named as cabonyl and triphenyl phosphine.

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